Instruction is not included. Professional installation is highly recommended！
【Package Included】
as the picture shows
【Replace Part Numbers】
11127552281
【Fitments】
Compatible with 2008-2013 BMW 128i
Compatible with 2007-2013 BMW 328i
Compatible with 2008-2011 BMW 528i
Compatible with 2008 BMW 528xi
Compatible with 2008 BMW 535xi
Compatible with 2006-2011 BMW Z4
Compatible with 2007-2012 BMW X3
Compatible with 2007-2010 BMW X5